---
title: "Puck Lock — $825K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/puck-lock"
last_updated: "2026-08-10T06:03:50.341Z"
locale: en
meta:
  description: "Niche score 55/100 · $825K/yr market · 237K searches/yr · $109.46 avg price. Soft demand (-3.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $825K/yr market · 237K searches/yr · $109.46 avg price. Soft demand (-3.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Puck Lock — $825K/yr Amazon US Niche (2026) - Flapen"
---

# **puck lock**

**Worth a look**

Shows a thin review moat (366 avg reviews), but soft demand (-3.2% this quarter) keeps it on the watch list.

Market size 74Growth 23Conversion 40Competition 81Returns 27Price range 30Avg price 72Brand share 52Review moat 82Quality gap 68

**Review moat**

**Great****366.45**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Great****34%**

top-5 click share — an open shelf

**Market size**

**Good****$825K**

$825K/yr · 237K searches

**Avg price**

**Good****$109.46**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Okay****3.2%**

search→purchase rate — share of searches ending in a sale

**Price range**

**Okay****$18.03–$291.18**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Returns**

**Okay****4.9%**

return rate — above 5% kills the launch gate

**Growth**

**Bad****-3.2%**

90-day search growth — must beat 0% to launch

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, puck lock is a $825K/yr Amazon United States market (237K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 55/100.

Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **puck lock market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$657K–$876K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**3.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#199**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**95%**</dd>

<dt>**Sponsored**</dt><dd>**89%**</dd>

<dt>**Out of stock**</dt><dd>**8.2%**</dd>

<dt>**Avg brand age**</dt><dd>**37 months**</dd>

<dt>**Avg seller age**</dt><dd>**167 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

**Brands**

**22 **▼falling

**Sellers**

**70**

**Top-5 brand share**

**74%**

Top 20: 99%

**Top-5 click share**

**34%**

Top 20: 63%

**Open market**

**20%**

- Proven Industries39% - Master Lock11% - Slick Locks10% - Pomunty7% - Vehiclex7% - Soobool6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -3.2% search growth over the last 90 days.

5K4KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Apr, May · busiest ÷ quietest = 2.3×

[**Open Trend **](https://flapen.com/research/us/automotive/puck-lock/trend)

## **Top puck lock search terms**

- **puck lock**53K/yr+21.5%2.7% conv. - **puck locks for trailers**25K/yr-18.5%3.3% conv. - **proven industries trailer lock**28K/yr-24.3%1.8% conv. - **proven locks**24K/yr-3.4%2.0% conv. - **slick locks**19K/yr-14.4%3.0% conv. - **proven locks trailer lock**15K/yr-1.2%2.2% conv. - **puck locks**13K/yr+2.8%3.4% conv. - **van locks**7K/yr-8.9%1.3% conv. - **hidden shackle padlock**8K/yr-1.9%2.7% conv. - **van door lock**7K/yr-0.9%2.4% conv. [**All search terms **](https://flapen.com/research/us/automotive/puck-lock/search-terms)

## **Top puck lock products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$25K6%$49K9%$74K12%$99K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Proven Industries Puck Lock Set Model 400XL 3-Pack Hidden Shackle Keyed Alike 6061 Solid Aluminum Shackle Opening 1 3/4 x 1 3/4 x 7/8 in Depth 1 1/4 in Made in USA Black](https://m.media-amazon.com/images/I/31gRE84gUYL.jpg)**Proven Industries Puck Lock Set Model 400XL 3-Pack Hidden Shackle Keyed Alike 6061 Solid Aluminum Shackle Opening 1 3/4 x 1 3/4 x 7/8 in Depth 1 1/4 in Made in USA Black**Proven Industries**$175.84**4.4★281 rev](https://www.amazon.com/dp/B088C1NZH1) [2![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA](https://m.media-amazon.com/images/I/31uaU0YmCqL.jpg)**Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA**Proven Industries**$270.72**4.7★1,747 rev](https://www.amazon.com/dp/B0G31418YZ) [3![6271 Puck Lock Hidden Shackle Padlock Puck Locks Pucks Locks for Trailers 2-7/8 Hidden Shackle Padlock Heavy Duty Puck Lockk with Keys Trailer Pucks Padlocks (2)](https://m.media-amazon.com/images/I/31npTeCjyUL.jpg)**6271 Puck Lock Hidden Shackle Padlock Puck Locks Pucks Locks for Trailers 2-7/8 Hidden Shackle Padlock Heavy Duty Puck Lockk with Keys Trailer Pucks Padlocks (2)**Soobool**$34.14**4.3★253 rev](https://www.amazon.com/dp/B0B97161QN) [4![Proven Industries Puck Lock Set Model 400XL 2-Pack Hidden Shackle Keyed Alike 6061 Solid Aluminum Shackle Opening 1 3/4 x 1 3/4 x 7/8 in Depth 1 1/4 in Made in USA Black](https://m.media-amazon.com/images/I/31Myr72rY5L.jpg)**Proven Industries Puck Lock Set Model 400XL 2-Pack Hidden Shackle Keyed Alike 6061 Solid Aluminum Shackle Opening 1 3/4 x 1 3/4 x 7/8 in Depth 1 1/4 in Made in USA Black**Proven Industries**$125.46**4.5★221 rev](https://www.amazon.com/dp/B089XBSMKS) [5![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA](https://m.media-amazon.com/images/I/31uHuzSBn7L.jpg)**Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA**Proven Industries**$270.23**4.7★1,747 rev](https://www.amazon.com/dp/B0G319Y11G)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red](https://m.media-amazon.com/images/I/41SItc9d8EL.jpg)**Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red**Vehiclex**$37.12**87 rev5mo ago](https://www.amazon.com/dp/B0GGTJMHQM) [![Vehiclex Heavy-Duty Puck Lock Keyed Alike Hidden Shackle Lock Rust-Resistant Security for Trailers Garages Containers Red](https://m.media-amazon.com/images/I/41ZQ342IlYL.jpg)**Vehiclex Heavy-Duty Puck Lock Keyed Alike Hidden Shackle Lock Rust-Resistant Security for Trailers Garages Containers Red**Vehiclex**$18.03**87 rev7mo ago](https://www.amazon.com/dp/B0G26ML1MQ) [![Pomunty 3 Pack Puck Locks for Trailers Keyed Alike 2-7/8 Hidden Shackle Padlocks Heavy Duty Solid Steel Trailer Door Lock W/6 Keys High Security Anti Theft Van Door Lock for Trucks Shed](https://m.media-amazon.com/images/I/41FAOXO1pmL.jpg)**Pomunty 3 Pack Puck Locks for Trailers Keyed Alike 2-7/8 Hidden Shackle Padlocks Heavy Duty Solid Steel Trailer Door Lock W/6 Keys High Security Anti Theft Van Door Lock for Trucks Shed**Pomunty**$49.78**226 rev1y ago](https://www.amazon.com/dp/B0FFSPLFNN) [![Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys](https://m.media-amazon.com/images/I/41e9sX7uvUL.jpg)**Pomunty 3 Pack Puck Lock for Trailers Keyed Alike 6061 Solid Aluminum Trailer Door Locks Hockey Puck Locks Reinforced Hidden Shackle Padlocks for Trailers Trucks Vans Shed Gates w/6 Keys**Pomunty**$52.37**100 rev1y ago](https://www.amazon.com/dp/B0FFN1DYBM) [![QWORK 2 Pack Hidden Shackle Padlock Keyed Alike 73 mm Diameter Tamper-Proof Security Puck Lock Van Door Lock for Trailers Gates and Garages](https://m.media-amazon.com/images/I/419knZ0rPsL.jpg)**QWORK 2 Pack Hidden Shackle Padlock Keyed Alike 73 mm Diameter Tamper-Proof Security Puck Lock Van Door Lock for Trailers Gates and Garages**QWORK**$30.65**21 rev1y ago](https://www.amazon.com/dp/B0DTFVQXNB)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Vehiclex Heavy-Duty Puck Lock Keyed Alike Hidden Shackle Lock Rust-Resistant Security for Trailers Garages Containers Red](https://m.media-amazon.com/images/I/41ZQ342IlYL.jpg)**Vehiclex Heavy-Duty Puck Lock Keyed Alike Hidden Shackle Lock Rust-Resistant Security for Trailers Garages Containers Red**Vehiclex**$18.03**3.7★**▲ 204%**](https://www.amazon.com/dp/B0G26ML1MQ) [![Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red](https://m.media-amazon.com/images/I/41SItc9d8EL.jpg)**Vehiclex Keyed-Alike Puck Lock Set Hidden-Shackle Security with Steel Pin Weather-Resistant Aluminum Body & Brass Core for Trailers Sheds & Gates 2 Pack Red**Vehiclex**$37.12**3.7★**▲ 184%**](https://www.amazon.com/dp/B0GGTJMHQM) [![Proven Industries Model 2178 Trailer Lock Fits 2-Inch Trailer Couplers Made in the USA (Black-Square)](https://m.media-amazon.com/images/I/31TMGe1nzwL.jpg)**Proven Industries Model 2178 Trailer Lock Fits 2-Inch Trailer Couplers Made in the USA (Black-Square)**Proven Industries**$269.16**4.7★**▲ 165%**](https://www.amazon.com/dp/B0G8TXSVP1) [![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA](https://m.media-amazon.com/images/I/31uaU0YmCqL.jpg)**Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA**Proven Industries**$270.72**4.7★**▲ 138%**](https://www.amazon.com/dp/B0G31418YZ) [![Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA](https://m.media-amazon.com/images/I/31uHuzSBn7L.jpg)**Proven Industries Model 2516 Heavy-Duty Trailer Coupler Lock for 2 5/16 Couplers RV & Trailer Anti-Theft Lock Made in USA**Proven Industries**$270.23**4.7★**▲ 69%**](https://www.amazon.com/dp/B0G319Y11G)

**~~View all trending →~~**

## **What buyers say about puck lock**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Locking Mechanism**26%

*“Lock operates easily and smooth”*

**Quality-Overall**16%

*“Great product and easy to use”*

**Strength**10%

*“Very sturdy”*

**Value For Money**6%

*“Worth the money”*

**Size-Overall**5%

*“Perfect fit”*

**Weight Heavy**4%

*“These are heavy duty”*

**Durability**4%

*“it still looks brand new”*

**Security**3%

*“Very secure”*

**Ease Of Use**3%

*“Easier to use”*

**Efficiency**2%

*“Worked on my 5x10 heavy duty 3500lb utility trailer no problem”*

### **What buyers complain about **

**Size-Overall**15%

*“TOO small had to return”*

**Locking Mechanism**14%

*“Poor Locking mechanism”*

**Quality-Overall**8%

*“questionable quality control”*

**Value For Money**8%

*“it is rather expensive”*

**Rusts/Corrodes**5%

*“Tons of rust”*

**Compatibility-Overall**4%

*“Not adequate for my truck”*

**Design-Overall**4%

*“Design is not good for trailer latches”*

**Weight Heavy**3%

*“The first thing I noticed right of the package was how heavy it was”*

**Ease Of Use**3%

*“was even more difficult to remove”*

**Functionality-Overall**2%

*“Did not work”*

### **Top return reasons **

**Size-Overall**60%

**Compatibility-Overall**11%

**Locking Mechanism**9%

**Advertised Vs Actual Product**5%

**Functionality-Overall**4%

**Mechanism Issues**3%

**Value For Money**1%

**Defective Material/Parts**1%

**Product Condition**1%

**Weight Heavy**1%

## **Common questions**

<dl>

<dt>**Is puck lock profitable to sell on Amazon United States?**</dt><dd>The niche generates $825K/yr across 62 tracked products. 4 of 16 products launched in the last 360 days are still selling. 90-day search growth is -3.2%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the puck lock niche?**</dt><dd>22 brands and 70 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 74% of demand.</dd>

<dt>**What do buyers complain about in puck lock?**</dt><dd>Top complaints mined from reviews: Size-Overall, Locking Mechanism, Quality-Overall. The return rate is 4.9%.</dd>

<dt>**When does demand for puck lock peak?**</dt><dd>Demand peaks in Apr–May; the busiest month runs 2.3× the quietest.</dd>

<dt>**What does it cost to enter the puck lock niche?**</dt><dd>Listings span $18.03–$291.18; the average listing price is $109.46 (sweet spot $15–$100). The average incumbent carries 366 reviews — the moat a new listing must climb.</dd>

</dl>

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